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(Java) XML SearchForAttribute MethodDemonstrates the SearchForAttribute method. The input XML, available at http://www.chilkatsoft.com/data/fruitSearch.xml, is this:
<root>
<searchRoot>
<fruit color="red">apple</fruit>
<fruit color="green">pear</fruit>
<veg color="orange">carrot</veg>
<meat animal="cow">beef</meat>
<xyz>
<fruit color="blue">blueberry</fruit>
<veg color="green">broccoli</veg>
</xyz>
<fruit color="purple">grape</fruit>
<cheese color="yellow">cheddar</cheese>
</searchRoot>
<fruit color="red">strawberry</fruit>
<fruit color="orange">peach</fruit>
<root></root>
</root>
import com.chilkatsoft.*; public class ChilkatExample { static { try { System.loadLibrary("chilkat"); } catch (UnsatisfiedLinkError e) { System.err.println("Native code library failed to load.\n" + e); System.exit(1); } } public static void main(String argv[]) { CkXml xml = new CkXml(); CkXml xSearchRoot; CkXml xBeginAfter; CkXml xFound; boolean success; // The sample input XML is available at http://www.chilkatsoft.com/data/fruitSearch.xml success = xml.LoadXmlFile("fruitSearch.xml"); if (success != true) { System.out.println(xml.lastErrorText()); return; } // Search the sub-tree rooted at "searchRoot" xSearchRoot = xml.FindChild("searchRoot"); // Search for all "fruit" nodes having a color attribute // where the name of the color ends in "e" xBeginAfter = null; xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e"); while (!(xFound == null )) { System.out.println(xFound.content() + ": " + xFound.getAttrValue("color")); xBeginAfter = xFound; xFound = xSearchRoot.SearchForAttribute(xBeginAfter,"fruit","color","*e"); } // The correct output is: // grape: purple // blueberry: blue System.out.println("--------------------------"); // --------------------------------------------------------------------------------- // Now do the same, but instead use SearchForAttribute2 // which updates the internal reference of the caller instead // of returning the found node. CkXml xSearch; xBeginAfter = xSearchRoot.GetSelf(); xSearch = xSearchRoot.GetSelf(); success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e"); while (success == true) { System.out.println(xSearch.content() + ": " + xSearch.getAttrValue("color")); // Copy the internal references so that the next search // begins after the found node. xBeginAfter.CopyRef(xSearch); xSearch.CopyRef(xSearchRoot); success = xSearch.SearchForAttribute2(xBeginAfter,"fruit","color","*e"); } } } |
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